Tu Van Nang Luong Hieu Qua Bach Khoa Joint Stock Company Address: No 1, Lane 1, Truong Chinh Street, Phuong Liet Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102771643 Phone: 02436276417 Representative: Nguyen Manh Hung Adress: No 350, Kham Thien Street, Kham Thien Ward, Dong Da District, Ha Noi City Phuong Liet Ward, Thanh Xuan District, Ha Noi CityFounding date: 10 - 6 - 2008